Jerry vs German

Jerry and German both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jerry	Yes	No	No	No
German	Yes	Yes	No	No

As nouns, German is a hypernym of Jerry; that is, German is a word with a broader meaning than Jerry:

Jerry (noun)	German (noun)
offensive term for a person of German descent	the standard German language; developed historically from West Germanic
	a person of German nationality

Jerry (adjective)	German (adjective)
	of or pertaining to or characteristic of Germany or its people or language